x=94
if not x%2:
    print("even")
else :
    print("odd")

print('偶数') if x%2==0 else print('奇数')

score=int(input("输入成绩"))

if score<0 or score>100 :
    print("不合格")
elif score<60:
    print('不及格')
elif score < 90:
    print('良')
else:print('优')